WO2012075774A1

WO2012075774A1 - Led lamp and led illumination apparatus

Info

Publication number: WO2012075774A1
Application number: PCT/CN2011/073964
Authority: WO
Inventors: 车廷建; 王景辉; 刘化东
Original assignee: 大连金三维科技有限公司
Priority date: 2010-12-08
Filing date: 2011-05-12
Publication date: 2012-06-14
Also published as: CN102022650B; CN102022650A

Abstract

An LED lamp and an LED illumination apparatus are disclosed. The LED lamp includes a base (1) on which lug bosses (3) are arranged, and each lug boss (3) is provided with light source assemblies. Each light source assembly comprises an aluminum substrate (5), an LED chip (4), one or more convex lenses (6), and a reflecting plate (7). The aluminum substrate (5) is arranged on the mounting plane (8) of the lug boss (3), and a first angle is formed between the mounting plane (8) and a light source plane (2). The LED chip (4) is connected to the aluminum substrate (5). The convex lens (6) is connected to the aluminum substrate (5) and covers the outside of the LED chip (4). The reflecting plate (7) is connected to the edge of the lug boss (3) and is set at one side of the convex lens (6). The light rays emitted from the first area of the convex lens (6) are reflected by the reflecting plate (7) so as to be superposed with the light rays from the second area of the convex lens (6). The illumination uniformity on the target plate is improved when the LED lamp provides an inclined illuminating surface light source.

Description

LED lamps and LED lighting equipment

Technical field

Embodiments of the present invention relate to a structure technology for providing an oblique surface light source LED lamp, and more particularly to an LED lamp and an LED lighting device. Background technique

As a kind of effective energy-saving product, light-emitting diode (L i ght Emi t t ing Di ode , LED for short) has been used more and more in lamps for various occasions such as municipal lighting. Almost all conventional lamp types have corresponding LED replacement lamps.

Billboard luminaires have special requirements for the light distribution of their alternative LED luminaires due to their special illumination angle. The illuminated area of the billboard is usually greater than 2:1 and requires a surface light source for illumination. Luminaires can usually only be placed on the side of the billboard, so the fixture is required to provide an oblique source of light for the billboard. For point LEDs, a large number of LEDs are required to form a lattice to form a surface light source.

However, the above-mentioned dot matrix LED lamp has the following drawbacks: The light emitted by the LED chip has almost no difference in various angles, and when the LED lamp obliquely illuminates the billboard, the illumination of the light on the billboard increases with the distance of the light. Significantly lower, resulting in uneven illumination on the billboard. Therefore, in the prior art, there is a problem that the LED illuminator cannot provide a uniform illuminance to the target plate when the oblique surface light source is provided. Summary of the invention

The invention provides an LED lamp and an LED lighting device, so that the LED lamp can provide uniform illumination to the target plate when providing the oblique surface light source.

The embodiment of the invention provides an LED lamp, which comprises:

a pedestal, the illuminating plane of the pedestal is provided with a boss, the boss is provided with a light source assembly, and each of the light source components comprises: The aluminum substrate is disposed on the mounting plane of the boss, the mounting plane has a first angle between the plane of the light source, and the first angle is an acute angle;

An LED chip connected to the aluminum substrate;

One or more convex lenses are attached to the aluminum substrate and are disposed on an outer side of the LED chip;

A reflector, connected at an edge of the boss, on one side of the convex lens, and reflecting light emitted from the first region of the convex lens to superimpose light emitted from the second region.

For the LED lamp as described above, it is preferable that: the number of the convex lenses in each of the light source assemblies is one, the reflective plate and the main optical axis of the convex lens have a second angle, the second angle A beam angle that is smaller than the main optical axis of the convex lens.

For the LED lamp as described above, it is preferable that: the number of the convex lenses in each of the light source assemblies is two, each of the convex lenses includes a strong light region at a central portion and a weak light region at an edge portion; the reflector will The light emitted from the glare region of one convex lens is reflected to the light emitted from the glare region of the other convex lens.

In the LED lamp as described above, it is preferable that the reflecting plate is disposed at an edge of the boss adjacent to a plane of the light source or away from a plane of the light source.

In the LED lamp as described above, it is preferable that: the angle of the first angle is 15° to 40°, and the angle of the second angle is 5. ~ 20. .

The LED lamp as described above preferably further includes: a heat dissipating fin vertically disposed on a side of the susceptor facing away from the LED chip, and a convection channel formed between each of the heat dissipating fins The channel is parallel to the plane of the light source, and the air outlet of the convection channel is vertically upward, and the air inlet of the convection channel is disposed at a lower end of the convection channel.

In the LED lamp as described above, it is preferable that the heat dissipating fin is soldered to the base. In the LED lamp as described above, it is preferable that the vertical edges of each of the two heat dissipating fins are connected to each other to form a cylindrical body.

For the LED lamp as described above, it is preferable that: the vertical side of the cylindrical body is provided with heat dissipation mouth.

In the LED lamp as described above, it is preferable that the boss is integrally formed with the base and the material is metal.

In the LED lamp as described above, it is preferable that a heat conductive layer prepared by thermally conductive silicone grease is provided between the aluminum substrate and the mounting boss.

In the above LED lamp, it is preferable that: the aluminum substrate is provided with a mounting hole, and the convex lens is fixed to the aluminum substrate through the mounting hole.

In the LED lamp as described above, it is preferable that: the pedestal is further provided with a dust cover disposed around the outer side of each of the bosses, and a silica gel is disposed between the dust cover and the base pad.

In the LED lamp as described above, it is preferable that the number of the bosses is plural, the shape of the bosses is a strip shape or a dot shape, and a plurality of the bosses are distributed on the base.

The embodiment of the invention further provides an LED lighting device, comprising: the LED lamp provided by the invention, further comprising a support frame, wherein the base of the LED lamp is connected to the support frame.

The LED lighting device as described above, preferably: the base of the LED lamp is connected to the support frame via a rotating frame, the rotating frame includes a fixing portion, a first rotating shaft and a second rotating shaft, The fixing portion is disposed on the support frame by a vertical first rotating shaft, and the second rotating shaft is horizontally connected to the fixing portion and is disposed in the base.

In the LED lighting device as described above, it is preferable that the number of the LED lamps is two. The LED lamp and the LED lighting device provided by the invention form a light distribution system of the LED lamp through the inclined boss, the convex lens and the reflector. Through the reflector, the light emitted from a part of the area is reflected, and the light emitted from another part is superimposed on each other, and the area with insufficient illumination on the target board is compensated according to the need, and the illumination on the target board when the LED light source provides the oblique surface light source is improved. Uniformity. When a convex lens is used, the light beam can form a strong light region and a weak light region after passing through the convex lens, and the strong light region directly illuminates the target plate, and the light of the partially weak light region is reflected by the light reflecting plate and overlaps with the light of another partially weak light region. Irradiation on the target plate compensates for insufficient illumination in the low-light region. When two convex lenses are used, two glare regions can be overlapped to illuminate the target plate The distal end, thereby making up for the lack of illumination at the distal end of the target plate. DRAWINGS

1 is a schematic structural view of an LED lamp provided according to Embodiment 1 of the present invention;

2 is a schematic enlarged view showing a boss of an LED lamp according to Embodiment 1 of the present invention;

3A is a schematic diagram of an optical path of an LED lamp according to an embodiment of the present invention;

Figure 3B is a schematic enlarged view of the circle in Figure 3A;

4 is a schematic enlarged view of a boss of an LED lamp according to Embodiment 2 of the present invention;

5A is a schematic diagram of an optical path of an LED lamp according to Embodiment 2 of the present invention;

Figure 5B is a schematic enlarged view of the circle in Figure 5A;

6A is a schematic diagram of an optical path of an LED lamp according to Embodiment 3 of the present invention;

Figure 6B is a schematic enlarged view of the circle in Figure 6A;

FIG. 8 is a schematic structural view of an LED lamp provided in Embodiment 4 of the present invention; FIG. 8 is a schematic structural view of a heat dissipating fin in an LED lamp according to Embodiment 4 of the present invention; FIG. 9 is another LED according to an embodiment of the present invention; FIG. 10 is a schematic structural view of an LED lamp provided in Embodiment 5 of the present invention;

FIG. 1 is a schematic structural diagram of an LED lighting device according to Embodiment 6 of the present invention.

Reference mark:

1 - base; 2-light plane; 3-bump;

4-LED chip; 5-aluminum substrate; 6-convex lens;

7-reflector; 8-mounting plane; 9-mounting hole;

1 0-target plate; 1 1 - dust cover; 1 2- heat sink fin;

1 3-air outlet; 14-air inlet; 1 5 - vent;

20-LED lamp; 30-support frame; 40-rotary frame; 41-fixing portion; 42-first rotating shaft; 4 3- second rotating shaft. detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is a partial embodiment of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Embodiment 1

FIG. 1 is a schematic structural diagram of an LED lamp according to a first embodiment of the present invention. The LED lamp includes a base 1 , and a plurality of bosses 3 are disposed on the light source plane 2 of the base 1 . The boss 3 can correspond to the LED chip 4 to be mounted, and is distributed in a dot pattern on the light source plane 2 of the susceptor 1 according to specific design requirements. The light source plane 2 is a plane on the susceptor 1. FIG. 1 is an enlarged schematic structural view of a boss in an LED lamp according to Embodiment 1 of the present invention. As shown in FIGS. 1 and 2, each of the bosses 3 is provided with one or more light source assemblies, each of which includes an aluminum substrate 5, an LED chip 4, a convex lens 6, and a light reflecting plate 7. The aluminum substrate 5 is disposed on the mounting plane 8 of the boss 3, and the mounting plane 8 and the light source plane 2 have a first angle Θ, and the first angle Θ is an acute angle. Specifically, the cross-sectional shape of the boss 3 may be designed to be triangular or trapezoidal, so that the mounting plane 8 on which the aluminum substrate 5 is mounted can have an angle with the light source plane 2. The mounting planes 8 of the respective bosses 3 are arranged to have the same angular direction, and the first angle between the mounting plane 8 of each of the bosses 3 and the light source plane 2 may be the same or different. The LED chip 4 is connected to the aluminum substrate 5, and specifically, the LED chip 4 can be soldered on the aluminum substrate 5. The convex lens 6 is connected to the aluminum substrate 5 and is disposed outside the LED chip 4. Specifically, one or more mounting holes 9 may be formed in the aluminum substrate 5, and the convex lens 6 may be locked and fixed on the aluminum substrate 5 through the mounting holes 9. The reflector 7 is attached to the edge of the boss 3, on one side of the convex lens 6, and has a second angle with the main optical axis of the convex lens 6, the second angle being smaller than the beam angle of the main optical axis of the convex lens 6. The reflector 7 is a plate that protrudes from the mounting plane 8 and is substantially flush with the mounting plane. 8 vertical, but inclined outward to a certain angle. The reflector 7 can be disposed at an edge of the boss 3 adjacent to the plane 2 of the light source, as shown in FIGS. 1 and 2.

The optical path principle of the above-mentioned luminaire for providing oblique surface light source illumination is described in detail below. The optical path diagram is shown in Figures 3A and 3B.

First, the convex lens 6 can condense the light of the LED chip 4 and has a symmetrical structure. After the light passes through the convex lens 6, the main light is concentrated at the center of the LED chip 4. The vertical central axis of the convex lens 6 is generally the main optical axis, which is substantially perpendicular to the axis of the bottom surface of the LED chip 4. The approximate rectangular portion emits most of the light within a small beam angle near the main optical axis. For the sake of distinction, the main optical axis beam angle region is referred to as a strong light region, and the region outside this region is referred to as a weak light region. Under the action of the convex lens 6, the light intensity emitted by the strong light region is high, and the light intensity emitted by the weak light region is weak.

Secondly, the illuminance of the light emitted through the weak light region of the convex lens 6 is drastically reduced as the distance increases. In this embodiment, by providing the reflector 7 and forming a light distribution system together with the boss 3 and the convex lens 6, the problem of low illuminance in the low light region is solved. The light emitted from the glare area will mainly illuminate the distal end of the target plate 10, that is, the B-C area in Fig. 3A. The amount of light emitted by the weak light region decreases as the distance from the main optical axis increases. As shown in FIG. 3A and FIG. 3B, the light emitted from the first weak light region away from the light reflecting plate 7 directly illuminates the proximal end of the target plate 10, that is, the AB region in FIG. 3A, and the second weak light adjacent to the reflecting plate 7. The light emitted from the area will be reflected by the reflector 7 and also irradiated to the proximal AB region of the target plate 10 to compensate for the lack of brightness of the first weak light region to the near end, thereby increasing the illumination of the proximal end of the target plate 10. The illuminance of the area illuminated by the light beam and the low light area is as uniform as possible. Through the cooperation of the convex lens 6, the reflector 7 and the inclined boss 3, 70% of the effective light emitted by the LED lamp can be uniformly irradiated in an area similar to a rectangle.

It can be seen from the above optical path principle that the second angle between the reflector 7 and the main optical axis of the convex lens 6 can be set according to specific needs. When the reflector 7 is substantially flat, the angle between the axis of the plate and the main optical axis can be regarded as the second angle. When a plate having a certain curvature is used as the reflecting plate 7, the angle between the line connecting the reflecting plate 7 away from the distal end of the convex lens 6 and the LED chip 4 and the main optical axis can be regarded as the second angle. The angle of the second angle is preferably 5. ~ 20. . In the technical solution of the embodiment, the boss is preferably integrally formed with the base, and the material may be a metal with good heat conduction effect, and preferably the base is prepared by using an aluminum profile. The number of the bosses may be one or more, the shape may be strips or dots, and the plurality of bosses may be distributed on the base.

A heat conductive layer prepared by thermally conductive silicone grease may be further disposed between the aluminum substrate and the mounting boss to reduce the thermal resistance between the aluminum substrate and the mounting boss to improve thermal conductivity. The specific operation is to apply the thermal grease directly on the mounting surface of the aluminum substrate or the boss.

Other auxiliary members may be provided on the base 1, for example, a dust cover 11 is provided on the base 1, and is disposed outside each of the bosses 3 to isolate dust. The dust cover 11 can be fixed to the base 1 by screws, and preferably a silicone pad is provided between the dust cover 11 and the base 1 to effect sealing.

Embodiment 2

4 is an enlarged schematic structural view of a boss in an LED lamp according to Embodiment 2 of the present invention. The difference between this embodiment and the first embodiment is that the reflector 7 is disposed at an edge of the boss 3 away from the plane 2 of the light source. The technical solution is more suitable for illuminating the proximal end of the target plate 10.

5A is a schematic diagram of an optical path of an LED lamp according to a second embodiment of the present invention, and FIG. 5B is an enlarged schematic view of a circle in FIG. 5A. The difference from the first embodiment is that the reflector 7 of the embodiment is disposed on the plane of the boss 3 away from the light source. On one side of the 2, the weak light region away from the reflector 7 directly illuminates the proximal end of the target plate 10, the strong light region directly illuminates the distal end of the target plate 10, and the weak light region adjacent to the reflective plate 7 is reflected and then irradiated to the target plate. The proximal end of 10. The superposition of light in the two low-light areas increases the illumination at the proximal end of the target plate 10, making the illumination on the entire target plate 10 as uniform as possible.

The technical solution of the above embodiment has been described in the case where the number of convex lenses is one. However, the number of the convex lenses may also be plural. When the light is emitted through the convex lens, the glare region and the weak light region are substantially extended. By appropriately setting the angle of the reflector, the light of at least part of the region may be superimposed with the light of another region, that is, The reflector reflects the light emitted from the first area of the convex lens to the light emitted from the second area. Therefore, it is possible to make up for insufficient illumination of the partial area on the target board, for example, by superimposing the insufficient illumination of the single illumination part of the original low-light area, or making up for the distal end of the target board, and the illumination deficiency due to the distance from the light source is insufficient. Let's take the example of the number of convex lenses as two. Bright.

Embodiment 3

6A is a schematic diagram of an optical path of an LED lamp according to Embodiment 3 of the present invention, and FIG. 6B is a schematic enlarged view of a circle in FIG. 6A. The difference between this embodiment and the above embodiment is that the number of the convex lenses 6 in each of the light source assemblies is two, and the two convex lenses 6 are connected in parallel and are disposed on the outer side of the LED chip 4 as shown in Fig. 6B. Each of the convex lenses 6 substantially includes a strong light region at the center portion and a weak light region at the edge portion; the light reflecting plate 7 reflects the light emitted from the glare region of one convex lens 6 (corresponding to the bc region) to the glare region of the other convex lens 6 ( Corresponding to the af area, the emitted light is superimposed, and the reflected area corresponds to the be area. Moreover, in the embodiment, the light reflecting plate 7 is disposed at an edge of the boss 3 away from the plane 2 of the light source, and the superimposed light is irradiated to the distal end of the target plate 10.

Since the distal end of the target plate is far away from the light source, the illuminance is weakened as the distance increases. In this embodiment, the light of the two glare regions is superimposed and irradiated to the distal end of the target plate, which can compensate for the lack of illumination and make the target plate The illumination on the top is improved.

When the target board is changed to the horizontal setting, the reflector can be correspondingly placed on the edge of the boss adjacent to the plane of the light source. The principle of the light path is similar.

Embodiment 4

The embodiment may be based on the foregoing embodiments, further providing a heat dissipation system on the LED lamp, and the heat dissipation system is preferably a heat dissipation fin 12, and the heat dissipation fin 12 is vertically disposed on the base 1 away from the LED chip 4. One side. See Figure 1 for details. FIG. 7 is a schematic top plan view of an LED lamp according to Embodiment 4 of the present invention.

As is known to all, LEDs emit a lot of heat while emitting light, especially high-power LED lamps. The heat dissipation problem directly affects the service life of LEDs and restricts the development of the industry. LED lamps have special heat dissipation requirements compared to electronic products. The lifespan of electronic products is generally short, which is equivalent to the life of a forced heat motor, and the service life of LEDs far exceeds the life of the motor, and LED lamps are usually installed in public in batches and are difficult to replace. These are all LED lamps that cannot be forced air-cooled, but can only rely on natural air cooling. Based on the characteristics of the above LED lamp, the embodiment The LED fixture selects the heat sink fin 12 for heat dissipation.

In this embodiment, a convection channel is formed between each of the heat dissipation fins 12, and the convection channel is parallel to the light source plane 2, and as shown in FIG. 8, the air outlet 13 of the convection channel is vertically upward, and the convection channel is The air inlet 14 is disposed at the lower end of the convection passage. Since the light source plane 2 is usually a billboard that is set up vertically, that is, the light source plane 2 is usually set vertically. In this embodiment, by disposing the heat dissipation fins 12 vertically, the convection passage between the heat dissipation fins 12 can be maintained substantially in a vertical state parallel to the plane 2 of the light source, which is beneficial to the realization of hot air and cold air under the action of gravity. Convection, with good heat dissipation. For conventional size LED luminaires, the fins 12 are typically greater than 70 mm in height. The heat sink fins 1 2 may have a thickness of 0.7 to 1 mm, preferably about 0.8 mm, and the LED lamps are naturally convectively cooled by air.

In the above technical solution, the heat dissipating fins 12 may be soldered and fixed on the susceptor 1, or the heat dissipating fins 12 may be processed by an extrusion process. In practical applications, since LED lamps generally require a large size, it is preferable to use a soldering process, so that the heat dissipation fins 12 and the susceptor 1 can be separately prepared, and then assembled and soldered, which can effectively reduce the process difficulty.

In this embodiment, it is preferable to provide a vertical edge of each of the two heat dissipation fins 12 to be connected to each other, that is, to form a cylindrical body, thereby ensuring smooth flow of the convection passage. One vertical side of the cylindrical body is the surface of the base 1, and the other vertical side is connected. The two pairs of heat-dissipating fins 12 help to maintain the spacing between the heat-dissipating fins 12 and improve the structural strength of the product. Usually, the bosses 3 are arranged on the susceptor 1 in a row, and the cylindrical body of the heat radiating fins 12 is kept substantially perpendicular to the rows of the bosses 3. Alternatively, the cylindrical body of the heat dissipating fin 12 may be disposed in parallel with the row of the boss 3 as shown in FIG.

In order to make the heat dissipation fins 12 perpendicular to the ground as much as possible, and at the same time, the illumination of the LED lamps as a whole is uniform on the target plate 10, the embodiment of the present invention adds a boss 3 having an inclined mounting plane 8, and the boss 3 is mounted on the plane 8. The angle of inclination varies slightly depending on the application. Preferably, the angle of the first angle between the mounting plane 8 and the light source plane 2 is set to 15. ~ 40. .

Embodiment 5

FIG. 10 is a schematic structural diagram of an LED lamp provided in Embodiment 5 of the present invention. Based on the fourth embodiment, a heat dissipation port 15 is further disposed on the vertical side of the cylindrical body of the heat dissipation fin 12, that is, a through hole is formed in the vertical side of the cylindrical body facing away from the base 1 as a heat dissipation port 15 It maintains the spacing and structural strength, and also increases the flowable area of the air to improve heat dissipation. Moreover, when the LED luminaire needs to be inclined at a certain angle when in use, the vent opening 15 opened on the vertical surface can reduce the air flow resistance.

Embodiment 6

FIG. 11 is a schematic structural diagram of an LED lighting device according to Embodiment 6 of the present invention. The LED lighting device in this embodiment includes the LED lamp 20 provided by any embodiment of the present invention, and further includes a support frame 30 and a base of the LED lamp 20 The seat 1 is attached to the support frame 30.

Specifically, the base 1 of the LED lamp 20 can be connected to the support frame 30 via a rotating frame 40. The rotating frame 40 includes a fixing portion 41, a first rotating shaft 42 and a second rotating shaft 43. The fixing portion 41 passes through the vertical portion. A rotating shaft 42 is disposed on the support frame 30 for horizontal rotation about the first rotating shaft 42. The second rotating shaft 43 is horizontally coupled to the fixed portion 41 and is disposed in the base 1 such that the base 1 is rotatable relative to the support frame 30 about the horizontal second rotating shaft 43. The number of LED luminaires 20 disposed on the LED lighting device is not limited and may be one or more, preferably two in this embodiment.

The technical solution of the embodiment is specifically that the LED lamp 20 is disposed on the support frame 30, and the support frame 30 can realize the degree of freedom of rotation through the first rotating shaft 42 and the second rotating shaft 43. This LED luminaire 20 can be made to change the illumination angle as the environment of use. The bottom of the support frame 30 can be formed as a sealed cavity for the electrical part. The multifunctional LED lamp 20 is used in groups of two or more, one or more groups. Due to the uncertainty of the position and shape of the illuminated surface, two independently controllable LED luminaires 20 are provided on each LED lighting device, which can be rotated up and down and left and right to adjust the light intensity distribution on different illumination areas.

The technical solution of the embodiments of the present invention provides a novel multifunctional LED lamp and LED lighting device, and is particularly suitable for providing an oblique surface light source, for example, for illuminating a billboard. The technical solution can solve the problem that a large deflection angle is required when the oblique surface light source is provided, and the uniformity of light on the illumination object is improved, that is, the illumination is uniform. In addition, the heat sink fins are provided in the LED lamps, Effectively solve the heat dissipation problem of LED lamps, improve the luminous efficiency of LED lamps, and extend the life of LED lamps.

It should be noted that the above embodiments are only for explaining the technical solutions of the present invention, and are not intended to be limiting; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: The technical solutions described in the foregoing embodiments are modified, or some of the technical features are equivalently replaced. The modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

Claim

1. An LED lamp, characterized in that it comprises:

a pedestal, the illuminating plane of the pedestal is provided with a boss, the boss is provided with a light source assembly, and each of the light source components comprises:

An aluminum substrate is disposed on a mounting plane of the boss, the mounting plane has a first angle between the plane of the light source, and the first angle is an acute angle;

An LED chip connected to the aluminum substrate;

2. The LED lamp of claim 1, wherein: the number of the convex lenses in each of the light source assemblies is one, and the reflector has a second angle with the main optical axis of the convex lens. The second angle is smaller than the beam angle of the main optical axis of the lenticular lens.

The LED lamp of claim 1 , wherein: each of the light source assemblies has two convex lenses, each of the convex lenses including a strong light region at a central portion and a weak light region at an edge portion; The reflector reflects light emitted from a convex lens intense light region to superimpose light emitted from another convex lens highlight region.

4. The LED lamp of claim 1 or 2 or 3, wherein: the reflector is disposed at an edge of the boss adjacent to a plane of the light source or away from a plane of the light source.

The LED lamp according to claim 1 or 2, wherein the angle of the first angle is 15° to 40°, and the angle of the second angle is 5° to 20°.

The LED lamp of claim 1 or 2 or 3, further comprising: a heat dissipating fin disposed vertically on a side of the susceptor facing away from the LED chip, between the heat dissipating fins A convection channel is formed, the convection channel is parallel to the plane of the light source, and an air outlet of the convection channel is vertically upward, and an air inlet of the convection channel is disposed at a lower end of the convection channel.

7. The LED lamp of claim 6, wherein: the heat sink fin is soldered to the base.

8. The LED lamp according to claim 6, wherein: the vertical edges of each of the two heat dissipating fins are connected to each other to form a cylindrical body.

9. The LED lamp of claim 8, wherein: the vertical side of the cylindrical body is provided with a heat dissipation opening.

The LED lamp according to claim 1 or 2 or 3, wherein the boss is integrally formed with the base and made of metal.

The LED lamp according to claim 1 or 2 or 3, wherein the aluminum substrate and the mounting boss have a heat conductive layer prepared by thermally conductive silicone grease.

The LED lamp according to claim 1 or 2 or 3, wherein: the aluminum substrate is provided with a mounting hole, and the convex lens is fixed to the aluminum substrate through the mounting hole.

The LED lamp according to claim 1 or 2 or 3, wherein: the base is further provided with a dust cover, which is disposed outside each of the bosses, and the dust cover is A silicone pad is disposed between the bases.

The LED lamp according to claim 1 or 2 or 3, wherein: the number of the bosses is plural, the shape of the boss is strip or dot, and the plurality of the bosses are distributed. On the base.

An LED lighting device, comprising: the LED lamp of any one of claims 1 to 14, further comprising a support frame, wherein a base of the LED lamp is connected to the support frame.

The LED lighting device according to claim 15, wherein: the base of the LED lamp is connected to the support frame via a rotating frame, the rotating frame includes a fixing portion, a first rotating shaft and a second rotation a shaft, the fixing portion is disposed on the support frame by a vertical first rotating shaft, and the second rotating shaft is horizontally connected to the fixing portion and is disposed in the base.

17. LED lighting device according to claim 15 or 16, characterized in that the number of said LED luminaires is two.